From the last paragraphy of the 'big hearts' that as a result, are even more susceptible to the dangers of epo Bove said that in athletes with bigger hearts, doping could prove potentially more dangerous than for normal people.
Athletes with bigger hearts have more red blood cells, which deliver oxygen around the body. These cells are thicker than normal cells. So if athletes decide to use an illegal agent like the blood-booster EPO, they run the risk of making their blood too thick. That puts them in danger of a clot, stroke, or heart attack.
"These athletes already have hearts that have increased in volume to adapt to their training workload," Bove said. "If they then go and use drugs, that could potentially erase the natural advantage they already have."
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